204516330153853 has 2 divisors, whose sum is σ = 204516330153854. Its totient is φ = 204516330153852.

The previous prime is 204516330153833. The next prime is 204516330154007. The reversal of 204516330153853 is 358351033615402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126473010824484 + 78043319329369 = 11246022^2 + 8834213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204516330153853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204516330153797 and 204516330153806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204516330153833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102258165076926 + 102258165076927.

It is an arithmetic number, because the mean of its divisors is an integer number (102258165076927).

Almost surely, 2^{204516330153853} is an apocalyptic number.

It is an amenable number.

204516330153853 is a deficient number, since it is larger than the sum of its proper divisors (1).

204516330153853 is an equidigital number, since it uses as much as digits as its factorization.

204516330153853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 204516330153853 in words is "two hundred four trillion, five hundred sixteen billion, three hundred thirty million, one hundred fifty-three thousand, eight hundred fifty-three".